Rip Curl Men's Quartz Stainless Steel and Leather Sport Watch, Color:Black (Model: A2323-BLK) Jeweled Movements: Synthetic rubies which serve as bearings for gears in watches. This reduces torque and friction allowing your watch to run more accurately for longer. Date function at 6:00 position 316L stainless steel case: The highest grade of stainless steel for water resistance, strength and non-corrosion in a marine environment. Genuine leather band Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving